Fireplace insert



FIG. 1 is a front isometric view of a fireplace insert showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof, the right side being substantially a mirror image thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear isometric view thereof; and

FIG. 8 is a rear isometric view of a second embodiment of a fireplace insert, the front being identical to the front of the first embodiment. 

The ornamental design for a fireplace insert, as shown and described. 